What is the work of Yield Keyword in Scala

0 votes
Can anyone explain how does yield keyword works in Scala?
Jul 26, 2019 in Apache Spark by Naina
341 views

1 answer to this question.

0 votes

Hey,

Used with a loop, yield produces a value for each iteration. Another way to do is to use map/ flat Map and filter with nomads:

Here is an example:

scala> for(i<-1 to 4) yield i*3

The output will be:

scala.collection.immutable.IndexedSeq[Int] = Vector(3, 6, 9, 12)

answered Jul 26, 2019 by Gitika
• 65,850 points

Related Questions In Apache Spark

0 votes
1 answer

What is the use of App class in Scala?

Hi, Scala provides a helper class, called App, that ...READ MORE

answered Jul 31, 2019 in Apache Spark by Gitika
• 65,850 points
7,061 views
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
+1 vote
2 answers
+1 vote
1 answer

Hadoop Mapreduce word count Program

Firstly you need to understand the concept ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
8,786 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

org.apache.hadoop.mapred is the Old API  org.apache.hadoop.mapreduce is the ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
1,561 views
+2 votes
11 answers

hadoop fs -put command?

Hi, You can create one directory in HDFS ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by nitinrawat895
• 11,380 points
78,406 views
0 votes
1 answer

How to use yield keyword in scala and why it is used instead of println?

Hi, The yield keyword is used because the ...READ MORE

answered Jul 6, 2019 in Apache Spark by Gitika
• 65,850 points
965 views
0 votes
1 answer

What is the advantage of having immutability in design for Scala programming language?

Hi, Scala uses immutability by default in most ...READ MORE

answered Jul 24, 2019 in Apache Spark by Gitika
• 65,850 points
258 views
webinar REGISTER FOR FREE WEBINAR X
Send OTP
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP